Research Article

Corrosion Inhibiting Mechanism of Nitrite Ion on the Passivation of Carbon Steel and Ductile Cast Iron for Nuclear Power Plants

Figure 4

Comparison of (a) corrosion rate (circulation condition) from Figure 1 and (b) current density obtained at +400 mV (SCE) of Figure 3 by NaNO2 addition to simulated cooling water.
(a)
(b)